COMMUNICATION METHOD, COMMUNICATION DEVICE, AND COMMUNICATION SYSTEM

Abstract

[0009] Embodiments of the present application provide a communication method, a communication device, and a communication system. The method includes the steps of: transmitting first data to a first device based on a first power-aggregation capability of the first device; receiving feedback information from the first device; and transmitting second data to the first device based on a second power-aggregation capability of the first device, where the second power-aggregation capability is determined based on the feedback information and the first power-aggregation capability. In these solutions, the power-aggregation capability of the first device is dynamically adjusted based on the feedback information of the first device, thereby appropriately determining the power-aggregation capability of the first device. This helps improve the utilization of the transmission power of the first device while ensuring that the first device operates appropriately.

Description

[Technical Field]

[0001] TECHNICAL FIELD Embodiments of the present application relate to the field of wireless communication technologies, and in particular to a communication method, a communication device, and a communication system. [Background technology]

[0002] When a device transmits data, the maximum transmission power of the device cannot be exceeded, i.e., the sum of the transmission powers of the unit resources carrying data cannot exceed the maximum transmission power of the device.

[0003] To make best use of the device's transmit power, data is typically transmitted at a transmit power close to the device's maximum transmit power during the actual transmission.

[0004] Therefore, how to improve the utilization of the transmitted power of a device is an important issue. Summary of the Invention

[0005] SUMMARY OF THE INVENTION Embodiments of the present application provide a communication method, a communication device, and a communication system for improving the utilization of a device's transmission power.

[0006] According to a first aspect, an embodiment of the present application provides a communication method, which may be performed by a second device or a module (e.g., a chip) in the second device, and includes the steps of: transmitting first data to the first device based on a first power-aggregation capability of the first device, receiving feedback information from the first device, and transmitting second data to the first device based on a second power-aggregation capability of the first device, where the second power-aggregation capability is determined based on the feedback information and the first power-aggregation capability.

[0007] In the above solution, the power aggregation capability of the first device is dynamically adjusted based on the feedback information of the first device, so that the power aggregation capability of the first device can be appropriately determined, which helps to improve the utilization of the transmission power of the first device while ensuring that the first device operates appropriately.

[0008] In one possible implementation, a first power-aggregating capability is received from a first device, the first power-aggregating capability being an initial power-aggregating capability of the first device.

[0009] In the above solution, the first device reports the initial power-aggregation capability of the first device, which helps the second device determine a more appropriate power-aggregation capability for the first device based on the initial power-aggregation capability.

[0010] In a possible implementation, the first power-aggregating capability is a default initial power-aggregating capability of the first device.

[0011] In the above solution, the initial power aggregation capability of the first device is a default, so the first device does not need to report the initial power aggregation capability to the second device, which helps reduce signaling overhead.

[0012] In a possible implementation, the feedback information comprises: status information of a first device, the status information indicating an operation status of the first device, the operation status being normal or warning; indicator information of the first device, the indicator information including at least one of a missing clipping rate for crest factor reduction (CFR), a digital predistortion (DPD) convergence status, or an error vector magnitude (EVM) value; or an indication to increase or decrease the power-aggregation capability of the first device; It includes at least one of the following:

[0013] In the above solution, the first device accurately reports the working status of the first device to the second device by using feedback information, so that the second device can accurately determine a manner for adjusting the power aggregation capability of the first device based on the feedback information, which helps to determine an appropriate power aggregation capability.

[0014] In a possible implementation method, the feedback information includes status information, and if the status information indicates that the operating status of the first device is normal, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability, or if the feedback information includes status information and the status information indicates that the operating status of the first device is warning, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability.

[0015] In a possible implementation, the feedback information includes indicator information, and if the indicator information satisfies a first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; or if the feedback information includes indicator information and the indicator information does not satisfy the first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; and the first condition includes at least one of: a missed clipping rate in the CFR is less than a missed clipping rate threshold; a DPD convergence status is converged; or an EVM value is less than an EVM threshold.

[0016] In a possible implementation method, the feedback information includes indication information, and if the indication information indicates to increase the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability, or if the feedback information includes indication information, and if the indication information indicates to decrease the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability.

[0017] In a possible implementation method, when both the first data and the second data are data of a first service, a correspondence is established between the second power aggregation capability and the characteristic information based on the characteristic information of the first service.

[0018] In the above solution, after the second device establishes a correspondence between the second power aggregation capability and the characteristic information of the first service, when the second device subsequently transmits data of the first service, the second device obtains the corresponding power aggregation capability (i.e., the second power aggregation capability) of the first device based on the characteristic information of the first service, and then transmits the data of the first service by using the second power aggregation capability, thereby eliminating the need to dynamically adjust the power aggregation capability of the first device. In this manner, the power consumption and resource overhead caused by dynamic adjustment can be reduced for the first device and the second device, and the first device can be prevented from shortening its service life or even being damaged due to frequent warnings caused by dynamic adjustment.

[0019] In a possible implementation, the characteristic information of the first service includes one or more of: an allocation characteristic of data of the first service in the frequency domain, or a power allocation corresponding to the data of the first service.

[0020] In a possible implementation, the feedback information is received on a periodic basis or on an event-based triggering basis.

[0021] According to a second aspect, an embodiment of the present application provides a communication method, which may be performed by a first device or a module (e.g., a chip) in the first device, including: receiving first data from a second device, the first data corresponding to a first power-aggregation capability of the first device; and transmitting feedback information to the second device, the feedback information reflecting an operating status of the first device when the power-aggregation capability of the first device is the first power-aggregation capability.

[0022] In the above solution, the power aggregation capability of the first device is dynamically adjusted based on the feedback information of the first device, so that the power aggregation capability of the first device can be appropriately determined, which helps to improve the utilization of the transmission power of the first device while ensuring that the first device operates appropriately.

[0023] In a possible implementation, a first power-aggregating capability is transmitted to the second device, the first power-aggregating capability being an initial power-aggregating capability of the first device.

[0024] In the above solution, the first device reports the initial power-aggregation capability of the first device, which helps the second device determine a more appropriate power-aggregation capability for the first device based on the initial power-aggregation capability.

[0025] In a possible implementation, the first power-aggregating capability is a default initial power-aggregating capability of the first device.

[0026] In the above solution, the initial power aggregation capability of the first device is a default, so the first device does not need to report the initial power aggregation capability to the second device, which helps reduce signaling overhead.

[0027] In a possible implementation, second data is received from the second device, the second data corresponding to a second power aggregation capability of the first device, and the second power aggregation capability is determined based on the feedback information and the first power aggregation capability.

[0028] In a possible implementation, the feedback information comprises: status information of the first device, the status information indicating an operational status of the first device; indicator information of the first device, the indicator information including at least one of a missing clipping rate in CFR, a DPD convergence status, or an EVM value; or an indication to increase or decrease the power-aggregation capability of the first device; It includes at least one of the following:

[0029] In the above solution, the first device accurately reports the working status of the first device to the second device by using feedback information, so that the second device can accurately determine a manner for adjusting the power aggregation capability of the first device based on the feedback information, which helps to determine an appropriate power aggregation capability.

[0030] In a possible implementation method, the feedback information includes status information, and if the status information indicates that the operating status of the first device is normal, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability, or if the feedback information includes status information and the status information indicates that the operating status of the first device is warning, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability.

[0031] In a possible implementation, the feedback information includes indicator information, and if the indicator information satisfies a first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; or if the feedback information includes indicator information and the indicator information does not satisfy the first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; and the first condition includes at least one of: a missed clipping rate in the CFR is less than a missed clipping rate threshold; a DPD convergence status is converged; or an EVM value is less than an EVM threshold.

[0032] In a possible implementation method, the feedback information includes indication information, and if the indication information indicates to increase the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability, or if the feedback information includes indication information, and if the indication information indicates to decrease the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability.

[0033] In a possible implementation, feedback information is sent to the second device when the start time of each period arrives.

[0034] In a possible implementation, if the operational status of the first device changes, feedback information is sent to the second device.

[0035] According to a third aspect, an embodiment of the present application provides a communication device. This device may be a second device or a module (e.g., a chip) in the second device. This device has a function for performing any of the methods according to the first aspect. The function may be performed by hardware, or may be performed by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the function.

[0036] According to a fourth aspect, an embodiment of the present application provides a communication device. The device may be a first device or a module (e.g., a chip) in the first device. The device has a function for performing any of the methods according to the second aspect. The function may be performed by hardware, or may be performed by hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the function.

[0037] According to a fifth aspect, an embodiment of the present application provides a communications device including a processor and a memory, the memory being configured to store computer instructions, and when the device is running, the processor executes the computer instructions stored in the memory to enable the device to perform a method for implementing either of the first and second aspects.

[0038] According to a sixth aspect, an embodiment of the present application provides a communication device including a unit or means configured to perform the steps of the implementation method of either the first aspect or the second aspect.

[0039] According to a seventh aspect, an embodiment of the present application provides a communication device including a processor and an interface circuit, wherein the processor is configured to communicate with another device through the interface circuit to perform the method according to either the first or second aspect. There may be one or more processors.

[0040] According to an eighth aspect, an embodiment of the present application provides a communication device including a processor coupled to a memory. The processor is configured to invoke a program stored in the memory to perform the method according to any one of the first and second aspects. The memory may be located inside or outside the device, and there may be one or more processors.

[0041] According to a ninth aspect, an embodiment of the present application further provides a computer-readable storage medium having stored thereon instructions that, when executed on a communication device, cause a method according to either the first or second aspect to be performed.

[0042] According to a tenth aspect, an embodiment of the present application further provides a computer program product, the computer program product including a computer program or instructions, which, when executed by a communication device, performs the method of any of the first and second aspects.

[0043] According to an eleventh aspect, an embodiment of the present application further provides a chip system including a processor configured to execute an implementation method of either the first or second aspect.

[0044] According to a twelfth aspect, an embodiment of the present application further provides a communication system including a second device configured to perform any of the implementation methods of the first aspect, and a first device configured to perform any of the implementation methods of the second aspect. [Brief explanation of the drawings]

[0045] [Figure 1(a)] FIG. 1 is a diagram of a possible non-limiting system. [Figure 1(b)] FIG. 1 is a diagram of an access network device. [Figure 1(c)] 1 is a diagram of a communication system according to an embodiment of the present application; [Figure 2(a)]FIG. 10 is a diagram of an example of power allocation in a non-power-aggregating case according to an embodiment of the present application. [Figure 2(b)] FIG. 10 is a diagram of another example of power allocation in a non-power-aggregating case according to an embodiment of the present application. [Figure 2(c)] FIG. 2 is a diagram of an example of power allocation in the case of power aggregation according to an embodiment of the present application. [Figure 3] 1 is a diagram of a communication method according to an embodiment of the present application; [Figure 4] FIG. 2 is a diagram of an example of power allocation in the case of power aggregation according to an embodiment of the present application. [Figure 5] 1 is a diagram of a communication device according to an embodiment of the present application; [Figure 6] 1 is a diagram of a communication device according to an embodiment of the present application; DETAILED DESCRIPTION OF THE INVENTION

[0046] FIG. 1(a) is a diagram of a possible, non-limiting communication system. As shown in FIG. 1(a), the communication system 1000 includes a radio access network (RAN) 100, a core network (CN) 200, and the Internet 300. The RAN 100 includes at least one RAN node (e.g., 110a and 110b in FIG. 1(a), collectively referred to as 110) and at least one terminal (e.g., 120a through 120j in FIG. 1(a), collectively referred to as 120). The RAN 100 may further include another RAN node, e.g., a wireless relay device and / or a wireless backhaul device (not shown in FIG. 1(a)). The terminal 120 is connected to the RAN node 110 in a wireless manner. The RAN node 110 is connected to the core network 200 in a wireless or wired manner. The core network devices in the core network 200 and the RAN nodes 110 in the RAN 100 may be different physical devices or may be the same physical device integrating the logical functions of the core network and the radio access network.

[0047] RAN 100 is a 3rd Generation Partnership Project (3 rd cellular systems associated with the Fourth Generation Partnership Project (3GPP), such as the Fourth Generation (4 th generation, 4G) or 5th generation (5 th generation (5G) mobile communication systems, or future-oriented evolutionary systems (e.g., sixth generation (6 th The RAN 100 may be a 6G (first generation, 6G) mobile communications system. Alternatively, the RAN 100 may be an open access network (open RAN, O-RAN, or ORAN) or a wireless fidelity (Wi-Fi) system. Alternatively, the RAN 100 may be a communications system integrating two or more of the aforementioned systems.

[0048] The RAN node 110, sometimes referred to as an access network device, RAN entity, access node, etc., is part of a communication system and is configured to assist terminals in achieving wireless access. The RAN nodes 110 in the communication system 1000 may be the same type of node or different types of nodes. In some scenarios, the roles of the RAN node 110 and the terminal 120 are relative. For example, the network element 120i in FIG. 1(a) may be a helicopter or an unmanned aerial vehicle, and the network element 120i may be configured as a mobile base station. To the terminal 120j connected to the RAN 100 by using the network element 120i, the network element 120i is a base station. However, to the base station 110a, the network element 120i is a terminal. The RAN node 110 and the terminal 120 are sometimes both referred to as communication devices. For example, in FIG. 1(a), network elements 110a and 110b may be understood as communication devices having the functionality of a base station, and network elements 120a to 120j may be understood as communication devices having the functionality of a terminal.

[0049] In possible scenarios, the RAN node may be a base station, an evolved NodeB (eNodeB), a transmission reception point (TRP), a next generation NodeB (gNB), a next-generation base station in a 6G mobile communication system, a base station in a future mobile communication system, an access node in a Wi-Fi system, etc. The RAN node may be a macro base station (e.g., 110a in FIG. 1(a)), a micro base station or an indoor station (e.g., 110b in FIG. 1(a)), a relay node or a donor node, or a radio controller in a cloud radio access network (CRAN) scenario. Optionally, the RAN node may alternatively be a server, a wearable device, a vehicle, an in-vehicle device, etc. For example, an access network device in a vehicle-to-everything (V2X) technology may be a roadside unit (RSU).

[0050] In another possible scenario, multiple RAN nodes cooperate to assist terminals in implementing radio access, with different RAN nodes separately implementing some functions of a base station. For example, a RAN node may be a central unit (CU), a distributed unit (DU), a CU control plane (CP), a CU user plane (UP), a radio unit (RU), etc. The CU and DU may be located separately or may be included in the same network element, such as a baseband unit (BBU). The RU may be included in a radio frequency device or radio frequency unit, such as a remote radio unit (RRU), a remote radio head (RRH), or an active antenna unit (AAU).

[0051] In different systems, the CU (or CU-CP and CU-UP), DU, or RU may have different names, but those skilled in the art can understand the meaning of these names. For example, in an ORAN system, the CU may be called an O-CU (open CU), the DU may be called an O-DU, the CU-CP may be called an O-CU-CP, the CU-UP may be called an O-CU-UP, and the RU may be called an O-RU. For ease of description, the CU, CU-CP, CU-UP, DU, and RU are used as examples in this application. Any of the CU (or CU-CP and CU-UP), DU, and RU in this application may be implemented by using a software module, a hardware module, or a combination thereof.

[0052] FIG. 1(b) is a diagram of an access network device. As shown in FIG. 1(b), the access network device includes one or more CUs, one or more DUs, and one or more radio units (RUs). For clarity, FIG. 1(b) shows only one CU, one DU, and one RU. The CU is configured to connect to a core network and one or more DUs. Optionally, the CU may have some functions of the core network. The CU may include a CU-CP and a CU-UP.

[0053] The CU and DU may be configured based on the functions of the protocol layers of the wireless network to be implemented by the CU and DU. For example, the CU is configured to implement the functions of a packet data convergence protocol (PDCP) layer and higher protocol layers (e.g., a radio resource control (RRC) layer and / or a service data adaptation protocol (SDAP) layer), and the DU is configured to implement the functions of a protocol layer lower than the PDCP layer (e.g., a radio link control (RLC) layer, a medium access control (MAC) layer, and / or a physical (PHY) layer). As another example, the CU is configured to implement the functions of a protocol layer higher than the PDCP layer (e.g., an RRC layer and / or an SDAP layer), and the DU is configured to implement the functions of the PDCP layer and lower protocol layers (e.g., an RLC layer, a MAC layer, and / or a PHY layer).

[0054] The above configuration of the CU and DU is merely an example. Alternatively, the functions of the CU and DU may be configured according to requirements. For example, the CU or DU may be configured to have more protocol layer functions, or the CU or DU may be configured to have some processing functions of protocol layers. For example, some functions of the RLC layer and functions of protocol layers higher than the RLC layer are configured on the CU, and the remaining functions of the RLC layer and functions of protocol layers lower than the RLC layer are configured on the DU. As another example, functions may be divided between the CU and the DU based on service type or other system requirements. For example, division may be performed based on latency. Functions with processing times that need to meet low latency requirements are configured on the DU, and functions with processing times that do not need to meet the latency requirements are configured on the CU.

[0055] The DU and RU may cooperate to jointly perform PHY layer functions. One DU may be connected to one or more RUs. The functions of the DU and RU may be configured in multiple ways according to the design. For example, the DU may be configured to perform baseband functions, and the RU may be configured to perform intermediate radio frequency functions. As another example, the DU may be configured to perform higher layer functions of the PHY layer, and the RU may be configured to perform lower layer functions of the PHY layer or to perform these lower layer functions and radio frequency functions. The higher layer functions of the physical layer may include some functions of the physical layer, which are closer to the MAC layer. The lower layer functions of the physical layer may include other functions of the physical layer, which are closer to the intermediate radio frequency side.

[0056] 1(c) is a diagram of a communication system according to an embodiment of the present application. The communication system includes a first device and a second device. The specific forms of the first device and the second device are not limited in this embodiment of the present application.

[0057] For example, the first device is any one of an RU, an RRU, or an AAU, and the second device is any one of a CU, a DU, or a BBU, and the first device and the second device are two different devices.

[0058] For example, if a first device communicates with a second device by using optical fiber, the interface between the first device and the second device may be a common public radio interface (CPRI), an enhanced common public radio interface (eCPRI), a fronthaul interface, etc.

[0059] For example, when wireless communication is performed between a first device and a second device, the interface between the first device and the second device may be a 4G air interface, a 5G air interface, a 6G air interface, etc.

[0060] In a non-power-aggregating scenario, the maximum transmission power on a unit resource is fixed, and the sum of the actual transmission powers for the unit resources does not exceed the maximum transmission power of the device. The unit resource here may be a resource block (RB) or a resource element (RE), and one RB includes 12 REs. For ease of description, hereinafter, RE is used as an example of a unit resource for description. Figure 2(a) is a diagram of an example of power allocation in a non-power-aggregating case according to an embodiment of the present application. In this example, the maximum transmission power of the device is P total and the total bandwidth is assumed to be 100M (M). 100M corresponds to 273 RBs, and each RB contains 12 REs, so 100M corresponds to 273 x 12 REs. "Reference power" P base is defined as the average transmission power for transmitting signals (or data) on each RE by a device, and P base =P totalIn a non-power-intensive scenario, the maximum transmission power P for transmitting signals (or data) on each RE by a device is max is the "reference power", i.e., P max =P base Figure 2(a) shows the scenario of full power transmission by the device. In this scenario, the device transmits a transmit power P base Send data with

[0061] In a non-power-intensive scenario, a device may use a reference power P base When transmitting data on a RE, the device transmits the data at its maximum transmission power (or full power). In this case, the transmission power of the device can be fully utilized. However, in actual service situations, data is not always transmitted at the full bandwidth. In some scenarios, there may be no data that needs to be transmitted on some REs. In this case, data is still transmitted on other REs that carry data at the reference power of those REs. As a result, a large amount of remaining power of the device cannot be fully utilized. FIG. 2(b) is a diagram of another example of power allocation in a non-power aggregation case according to an embodiment of the present application. Based on FIG. 2(a), this example shows a scenario in which data does not need to be transmitted on some REs (REs indicated by dashed frames in the figure). In this scenario, the maximum transmission power on other REs that carry data (shaded REs) is still P base As a result, the actual total transmitted power of the device is P total Therefore, the transmission power of the device cannot be fully utilized.

[0062] To maximize the use of the transmission power of a device, the present application provides a power aggregation (PA) solution. Specifically, the maximum transmission power for transmitting a signal (or data) on some REs by a device is increased, provided that the maximum transmission power of the device is not exceeded, thereby maximizing the use of the remaining power of the device. Figure 2(c) is a diagram of an example of power allocation in the case of power aggregation according to an embodiment of the present application. In this example, if some REs do not carry data, the power saved by these REs can be used to increase the transmission power of other REs that carry data. For example, in Figure 2(c), the maximum transmission power P for transmitting a signal (or data) on some REs by a device is increased. max But, 2×P base and the total transmit power of the device is still P total shall not exceed.

[0063] The power aggregation capability of a device is expressed as a "reference power" P base The maximum transmission power P for transmitting signals (or data) on each RE by the device, max and is usually expressed as a value in the decibel (dB) domain, i.e., power aggregation capability = 10 × lg(P max / P base For example, in the example in FIG. 2(c), if the power aggregation capability of the device is 3 dB, it is the maximum transmission power P max But, P base From 2 x P base That is, 10×lg(2×P base / P base )=3 dB.

[0064] If a device has power-intensive capabilities, the following advantages may be achieved:

[0065] (1) Coverage improvement: Since beams are designed independently for different channels, the beam gain and demodulation capability are different for different channels, resulting in different coverage capabilities for different channels. Power aggregation can improve the coverage capabilities of some channels.

[0066] (2) Coverage compensation: When the beam is widened due to the effect of various functions / features, the beam coverage will be degraded. Power aggregation can compensate for the coverage loss of some beams.

[0067] (3) Improved experience: For general service transmission, power aggregation can increase the downlink experience rate.

[0068] Power aggregation can provide the aforementioned benefits. However, setting an inappropriate power aggregation capability may cause device performance degradation. For example, if the power aggregation capability of a device is set to a large value, there may be a large burst peak of service data, and the device may not be able to perform clipping in a timely manner. As a result, signal distortion occurs, affecting the performance of the air interface, and peaks missed during clipping may adversely affect analog devices such as power amplifiers, thereby affecting the device's service life or even causing damage to the device. To ensure normal use of the device, the mode of setting the device's power aggregation capability is to set a fixed, modest power aggregation capability to ensure that the device can operate properly in various service scenarios and that the device's performance is not degraded.

[0069] However, the above-mentioned setting manner of power aggregation capability may result in the case where the transmission power of the device still cannot be fully utilized, i.e., after power aggregation, the sum of the actual transmission powers of the REs is still smaller or significantly smaller than the maximum transmission power of the device. Therefore, how to further improve the utilization of the transmission power of the device should be solved.

[0070] 3 is a schematic flowchart of a communication method according to an embodiment of the present application. This method can be used to improve the utilization of the transmission power of a first device. The first device is an example of the aforementioned device.

[0071] The method includes the following steps:

[0072] Step 301: A second device transmits first data to a first device based on a first power-aggregation capability of the first device.

[0073] For the first and second devices, please refer to the descriptions of the first and second devices shown in FIG. 1(c), respectively.

[0074] In an implementation method, if the first power-aggregating capability is the initial power-aggregating capability of the first device, the first device may transmit the first power-aggregating capability to the second device before step 301.

[0075] In another implementation, the first power-aggregating capability is a default initial power-aggregating capability of the first device.

[0076] For example, the first power aggregation capability may be 0 dB by default.

[0077] The second device transmitting the first data to the first device based on the first power aggregation capability of the first device means that, when transmitting the first data to the first device, the second device controls the transmission power for the data carried on each RE based on the first power aggregation capability to maximize the use of the transmission power of the first device.

[0078] Step 302: The first device sends feedback information to the second device, and the second device receives the feedback information in response.

[0079] The feedback information reflects the operating status of the first device when the power aggregation capability of the first device is the first power aggregation capability, i.e., the operating status of the first device when the second device transmits first data to the first device based on the first power aggregation capability. The operating status is normal or warning. For example, if the maximum transmission power on a unit resource corresponding to the first power aggregation capability is excessively large (e.g., greater than threshold 1), the actual transmission power on some REs will consequently be large (e.g., greater than threshold 2). As a result, the operating status of the first device may be warning (or abnormal).

[0080] In the present application, the feedback information may include at least one of the following information:

[0081] (1) Status information of the first device. This status information indicates the operation status of the first device, and the operation status is normal or warning.

[0082] (2) indicator information of the first device, the indicator information including at least one of a missing clipping rate for crest factor reduction (CFR), a digital predistortion (DPD) convergence status, or an error vector magnitude (EVM) value;

[0083] The Missed Clipping Rate in CFR indicates the percentage of peaks that were missed during the clipping performed by the first device. A lower Missed Clipping Rate in CFR indicates a more reliable device.

[0084] The DPD convergence status indicates the effectiveness of suppressing out-of-band spectrum leakage. If the DPD converges, it indicates good suppression effect. If the DPD does not converge, it indicates poor suppression effect.

[0085] The EVM value indicates the data distortion status (deviation between the actual data and the ideal data). A larger EVM value indicates more severe data distortion, and a smaller EVM value indicates less data distortion.

[0086] (3) Indication information, the indication information indicating to increase or decrease the power aggregation capability of the first device.

[0087] If the operating status is determined to be normal, the first device may transmit an indication to the second device to increase the power-aggregation capability of the first device. If the operating status is determined to be warning, the first device may transmit an indication to the second device to decrease the power-aggregation capability of the first device.

[0088] In the implementation method, the first device may report feedback information based on a preset period, for example, once per interval of a first duration. Thus, when the start time of each period arrives, the first device transmits feedback information to the second device. The feedback information reflects the current operating status of the first device.

[0089] In another implementation, the first device may report feedback information based on an event. For example, when the operating status of the first device changes (e.g., from a normal state to a warning state, or from a warning state to a normal state), the first device sends feedback information to the second device. The feedback information reflects the current operating status of the first device.

[0090] Step 303: The second device transmits second data to the first device based on the second power aggregation capability of the first device.

[0091] After receiving the feedback information corresponding to the first power-aggregating capability, the second device determines a second power-aggregating capability of the first device based on the feedback information and the first power-aggregating capability.

[0092] In an embodiment, if the feedback information includes status information and the status information indicates that the operating status of the first device is normal, the second device may increase the power-aggregation capability of the first device by a specific step, for example, by 0.1 dB. Therefore, the maximum transmission power on a unit resource corresponding to the increased second power-aggregation capability is greater than the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. The "specific step" here may be a fixed step or a dynamically changing step. This is not limited in the present application. This is described in a unified manner and will not be described in detail again hereinafter. Alternatively, the second device may not adjust the power-aggregation capability of the first device if the normal number of times does not reach a threshold value for the normal number of times. In this case, the maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. Thereafter, when the normal count reaches a normal count threshold, the second device increases the power-aggregation capability of the first device by a specific step. Here, the "normal count" refers to the number of times that the second device receives indication information indicating that the operational status of the first device is normal. For example, when the normal count threshold is equal to 3, the second device increases the power-aggregation capability of the first device by the specific step once every three times that the second device receives indication information indicating that the operational status of the first device is normal.

[0093] In another implementation, if the feedback information includes status information and the status information indicates that the operation status of the first device is a warning, the second device may reduce the power-aggregation capability of the first device by a specific step, for example, by 0.1 dB. Therefore, the maximum transmission power on a unit resource corresponding to the reduced second power-aggregation capability is smaller than the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. Alternatively, the second device may not adjust the power-aggregation capability of the first device if the number of warnings does not reach a threshold value for the number of warnings. In this case, the maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. If the number of warnings subsequently reaches a threshold value for the number of warnings, the second device reduces the power-aggregation capability of the first device by a specific step. Here, the "number of warnings" refers to the number of times indication information indicating that the operation status of the first device is a warning is received. For example, if the threshold value for the number of warnings is equal to 3, the second device reduces the power aggregation capability of the first device by a certain step once every three times it receives indication information indicating that the operating status of the first device is a warning.

[0094] In an embodiment, if the feedback information includes indicator information and the indicator information satisfies a first condition, the second device may increase the power-aggregation capability of the first device by a specific step, for example, by 0.1 dB. Therefore, the maximum transmission power on a unit resource corresponding to the increased second power-aggregation capability is greater than the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. Alternatively, the second device may not adjust the power-aggregation capability of the first device before the number of times the indicator information reported by the first device satisfies the first condition reaches a first threshold. In this case, the maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. If the number of times the indicator information reported by the first device satisfies the first condition subsequently reaches the first threshold, the second device increases the power-aggregation capability of the first device by a specific step. An example in which the first threshold is 5 is used. In this case, the second device increases the power aggregation capability of the first device by one time every five times the second device receives indicator information that satisfies a first condition, the first condition including at least one of: a missed clipping rate in the CFR is less than a missed clipping rate threshold, a DPD convergence status is converged, or an EVM value is less than an EVM threshold.

[0095] In another implementation, if the feedback information includes indicator information and the indicator information does not satisfy the first condition, the second device may reduce the power-aggregation capability of the first device by a specific step, for example, 0.1 dB. Therefore, the maximum transmission power on a unit resource corresponding to the reduced second power-aggregation capability is smaller than the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. Alternatively, the second device may not adjust the power-aggregation capability of the first device before the number of times the indicator information reported by the first device does not satisfy the first condition reaches a first threshold. In this case, the maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. If the number of times the indicator information reported by the first device does not satisfy the first condition subsequently reaches the first threshold, the second device reduces the power-aggregation capability of the first device by a specific step. An example in which the first threshold is 5 is used. In this case, the second device reduces the power aggregation capability of the first device once every five times it receives indicator information that does not satisfy the first condition.

[0096] In an embodiment, if the feedback information includes an indication indicating that the power-aggregation capability of the first device should be increased, the second device may increase the power-aggregation capability of the first device by a specific step, for example, by 0.1 dB. Therefore, the maximum transmission power on a unit resource corresponding to the increased second power-aggregation capability is greater than the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. Alternatively, the second device may not adjust the power-aggregation capability of the first device before the number of received indications indicating that the power-aggregation capability of the first device should be increased reaches a second threshold. In this case, the maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. If the number of received indications indicating that the power-aggregation capability of the first device should be increased subsequently reaches a second threshold, the second device increases the power-aggregation capability of the first device by a specific step. An example is used in which the second threshold is 5. In this case, every time the second device receives five indications indicating to increase the power aggregation capability of the first device, the second device increases the power aggregation capability of the first device once.

[0097] In another implementation, if the feedback information includes an indication indicating that the power-aggregation capability of the first device should be reduced, the second device may reduce the power-aggregation capability of the first device by a specific step, for example, by 0.1 dB. Therefore, the maximum transmission power on a unit resource corresponding to the reduced second power-aggregation capability is smaller than the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. Alternatively, the second device may not adjust the power-aggregation capability of the first device before the number of received indications indicating that the power-aggregation capability of the first device should be reduced reaches a second threshold. In this case, the maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to the maximum transmission power on a unit resource corresponding to the first power-aggregation capability. If the number of received indications indicating that the power-aggregation capability of the first device should be reduced reaches a second threshold, the second device reduces the power-aggregation capability of the first device by a specific step. An example in which the second threshold is 5 is used. In this case, every time the second device receives five indications to reduce the power-aggregation capability of the first device, the second device reduces the power-aggregation capability of the first device once.

[0098] The above provides various implementation methods for adjusting the power-aggregation capability of the first device by the second device. In practical application, the adjustment is not limited to the above methods. For example, two or three of the status information, the indicator information, and the indication information may alternatively be combined to determine whether and how to adjust the power-aggregation capability of the first device.

[0099] In the implementation method, when both the first data and the second data are data of the first service, the second device may further establish a correspondence between the second power-aggregation capability and the characteristic information of the first service based on the characteristic information of the first service. The characteristic information of the first service includes one or more of an allocation characteristic of the data of the first service in the frequency domain or a power allocation corresponding to the data of the first service. For example, after the second device adjusts the power-aggregation capability of the first device multiple times, N consecutive pieces of feedback information (N is an integer greater than or equal to 1) all indicate that the operating status of the first device is normal, and the N+1th piece of feedback information indicates that the operating status of the first device is warning. In this case, the second device may record the power-aggregation capability (e.g., the second power-aggregation capability) corresponding to the Nth piece of feedback information, specifically, the correspondence between the second power-aggregation capability and the characteristic information of the first service.

[0013] When subsequently transmitting data of the first service, the second device obtains the corresponding power aggregation capability (i.e., the second power aggregation capability) of the first device based on the characteristic information of the first service according to the aforementioned solution of the present application, and then transmits the data of the first service by using the second power aggregation capability, thereby eliminating the need to dynamically adjust the power aggregation capability of the first device. This can bring about the following advantages: First, for the first device and the second device, the power consumption and resource overhead caused by the dynamic adjustment are reduced; and second, for the first device, shortened service life or even damage caused by frequent warnings caused by the dynamic adjustment can be prevented.

[0100] In the above solution, the power aggregation capability of the first device is dynamically adjusted based on the feedback information of the first device, so that the power aggregation capability of the first device can be appropriately determined, which helps to improve the utilization of the transmission power of the first device while ensuring that the first device operates appropriately.

[0101] 4 is a diagram of an example of power allocation in the case of power aggregation according to an embodiment of the present application. Compared with FIG. 2(c), in the example in FIG. 4, the maximum transmission power P max But, 2×P base From 4 x P base Alternatively, it may be understood as a further increase of 3 dB in power-aggregation capability based on FIG. 2(c). Specifically, before the adjustment, the power-aggregation capability of the first device (i.e., the first power-aggregation capability) is 3 dB, and after the adjustment, the power-aggregation capability of the first device (i.e., the second power-aggregation capability) is 6 dB.

[0102] It can be understood that to implement the functions in the above-mentioned embodiments, the first device or the second device includes corresponding hardware structures and / or software modules for performing those functions. In this application, those skilled in the art will easily realize that the units and method steps in the examples described in connection with the embodiments disclosed in this application can be implemented by hardware or a combination of hardware and computer software. Whether the functions are performed by hardware or by hardware driven by computer software depends on the individual application scenario and design constraints of the technical solution.

[0103] 5 and 6 are diagrams of possible communication device structures according to embodiments of the present application. These communication devices may be configured to perform the functions of the first device or the second device in the above-described method embodiments, and thus may achieve the beneficial effects of the above-described method embodiments. In the embodiments of the present application, the communication devices may be the first device or the second device shown in FIG. 1(c).

[0104] 5 includes a processing unit 510 and a transceiver unit 520. The communication device 500 is configured to perform the functions of the first device or the second device in the above-described method embodiments.

[0105] When the communication device 500 is configured to perform the functions of the second device in the above-mentioned method embodiments, the processing unit 510 is configured to transmit first data to the first device based on a first power aggregation capability of the first device by using the transceiver unit 520, the transceiver unit 520 being further configured to receive feedback information from the first device, and the processing unit 510 is further configured to transmit second data to the first device based on a second power aggregation capability of the first device by using the transceiver unit 520, the second power aggregation capability being determined based on the feedback information and the first power aggregation capability.

[0106] In a possible implementation, the transceiver unit 520 is further configured to receive a first power aggregation capability from the first device, the first power aggregation capability being an initial power aggregation capability of the first device.

[0107] In a possible implementation, the first power-aggregating capability is a default initial power-aggregating capability of the first device.

[0108] In a possible implementation, the feedback information comprises: status information of the first device, the status information indicating an operational status of the first device; indicator information of the first device, the indicator information including at least one of a missing clipping rate in CFR, a DPD convergence status, or an EVM value; or an indication to increase or decrease the power-aggregation capability of the first device; It includes at least one of the following:

[0109] In a possible implementation method, the feedback information includes status information, and if the status information indicates that the operating status of the first device is normal, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability, or if the feedback information includes status information and the status information indicates that the operating status of the first device is warning, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability.

[0110] In a possible implementation, the feedback information includes indicator information, and if the indicator information satisfies a first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; or if the feedback information includes indicator information and the indicator information does not satisfy the first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; and the first condition includes at least one of: a missed clipping rate in the CFR is less than a missed clipping rate threshold; a DPD convergence status is converged; or an EVM value is less than an EVM threshold.

[0111] In a possible implementation method, the feedback information includes indication information, and if the indication information indicates to increase the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability, or if the feedback information includes indication information, and if the indication information indicates to decrease the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability.

[0112] In a possible implementation, the processing unit 510 is further configured to, when both the first data and the second data are data of the first service, establish a correspondence between the second power aggregation capability and the characteristic information based on the characteristic information of the first service.

[0113] In a possible implementation, the characteristic information of the first service includes one or more of: an allocation characteristic of data of the first service in the frequency domain, or a power allocation corresponding to the data of the first service.

[0114] In a possible implementation, the feedback information is received on a periodic basis or on an event-based triggering basis.

[0115] When the communications device 500 is configured to perform the functions of the first device in the above-described method embodiments, the transceiver unit 520 is configured to receive first data from the second device, the first data corresponding to a first power aggregation capability of the first device, and to transmit feedback information to the second device, the feedback information reflecting an operating status of the first device when the power aggregation capability of the first device is the first power aggregation capability.

[0116] In a possible implementation, the transceiver unit 520 is further configured to transmit a first power aggregation capability to the second device, the first power aggregation capability being an initial power aggregation capability of the first device.

[0117] In a possible implementation, the first power-aggregating capability is a default initial power-aggregating capability of the first device.

[0118] In a possible implementation, the transceiver unit 520 is further configured to receive second data from the second device, the second data corresponding to a second power aggregation capability of the first device, the second power aggregation capability being determined based on the feedback information and the first power aggregation capability.

[0119] In a possible implementation, the feedback information comprises: status information of the first device, the status information indicating an operational status of the first device; indicator information of the first device, the indicator information including at least one of a missing clipping rate in CFR, a DPD convergence status, or an EVM value; or an indication to increase or decrease the power-aggregation capability of the first device; It includes at least one of the following:

[0120] In a possible implementation method, the feedback information includes status information, and if the status information indicates that the operating status of the first device is normal, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability, or if the feedback information includes status information and the status information indicates that the operating status of the first device is warning, the maximum transmission power on the unit resource corresponding to the second power-aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power-aggregation capability.

[0121] In a possible implementation, the feedback information includes indicator information, and if the indicator information satisfies a first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; or if the feedback information includes indicator information and the indicator information does not satisfy the first condition, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability; and the first condition includes at least one of: a missed clipping rate in the CFR is less than a missed clipping rate threshold; a DPD convergence status is converged; or an EVM value is less than an EVM threshold.

[0122] In a possible implementation method, the feedback information includes indication information, and if the indication information indicates to increase the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is greater than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability, or if the feedback information includes indication information, and if the indication information indicates to decrease the power aggregation capability of the first device, the maximum transmission power on the unit resource corresponding to the second power aggregation capability is less than or equal to the maximum transmission power on the unit resource corresponding to the first power aggregation capability.

[0123] In a possible implementation, the transceiver unit 520 is specifically configured to transmit feedback information to the second device when the start time of each period arrives.

[0124] In a possible implementation, the transceiver unit 520 is specifically configured to send feedback information to the second device when the operational status of the first device changes.

[0125] For further detailed descriptions of the processing unit 510 and the transceiver unit 520, please directly refer to the relevant descriptions in the above method embodiments, and the details will not be described again here.

[0126] 6 includes a processor 610 and an interface circuit 620. The processor 610 and the interface circuit 620 are coupled to each other. It may be understood that the interface circuit 620 may be a transceiver or an input / output interface. Optionally, the communication device 600 may further include a memory 630 configured to store instructions to be executed by the processor 610, to store input data required for the processor 610 to execute the instructions, or to store data generated after the processor 610 executes the instructions.

[0127] When the communications device 600 is configured to perform the aforementioned method embodiments, the processor 610 is configured to perform the functions of the processing unit 510 and the interface circuit 620 is configured to perform the functions of the transceiver unit 520.

[0128] It may be understood that the processor in the embodiments of the present application may be a Central Processing Unit (CPU), or may be another general-purpose processor, a Digital Signal Processor (DSP), an Application-Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or another programmable logic device, a transistor logic device, a hardware component, or any combination thereof. The general-purpose processor may be a microprocessor or any conventional processor.

[0129] The method steps in the embodiments of the present application may be implemented in a hardware manner or in a manner in which software instructions are executed by a processor. The software instructions may be configured as corresponding software modules. The software modules may be stored in a random access memory, a flash memory, a read-only memory, a programmable read-only memory, an erasable programmable read-only memory, an electrically erasable programmable read-only memory, a register, a hard disk, a removable hard disk, a compact disc read-only memory (CD-ROM), or any other form of storage medium well known in the art. For example, a storage medium may be coupled to the processor, thereby enabling the processor to read information from and write information to the storage medium. Indeed, the storage medium may alternatively be a component of the processor. The processor and the storage medium may be located in an ASIC. In addition, the ASIC may be located in the first device or the second device. Indeed, the processor and the storage medium may alternatively exist as separate components in the first device or the second device.

[0130] All or some of the above-described embodiments may be implemented by using software, hardware, firmware, or any combination thereof. When software is used to implement the embodiments, all or some of the embodiments may be implemented in the form of a computer program product. The computer program product includes one or more computer programs or instructions. A computer program (English: Computer Program) is a set of instructions that describe each step of an electronic computer or another device with message processing capabilities, usually written in a program design language and running on a target architecture. When these computer programs or instructions are loaded and executed on a computer, all or some of the procedures or functions described in the embodiments of this application are performed. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or another programmable device. The computer program or instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, the computer program or instructions may be transmitted from a website, computer, server, or data center to another website, computer, server, or data center in a wired or wireless manner. A computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device, e.g., a server or data center, that integrates one or more available media. The available medium may be a magnetic medium, e.g., a floppy disk, a hard disk, or a magnetic tape, or an optical medium, e.g., a digital video disk, or a semiconductor medium, e.g., a solid-state drive. A computer-readable storage medium may be a volatile or non-volatile storage medium, or may include both types of storage media: a volatile storage medium and a non-volatile storage medium.

[0131] In the embodiments of the present application, unless otherwise specified and unless there is a logical contradiction, the terms and / or descriptions in different embodiments are consistent and can be cross-referenced, and the technical features in different embodiments can be combined based on their internal logical relationships to form a new embodiment.

[0132] In this application, "at least one" means one or more, and "multiple" means two or more. "And / or" describes an association relationship between associated objects and indicates that three relationships may exist. For example, "A and / or B" may indicate the cases of "only A is present," "both A and B are present," and "only B is present," where A and B may be singular or plural. In the written description of this application, the character " / " usually indicates an "or" relationship between associated objects, and in mathematical formulas in this application, the character " / " indicates a "division by" relationship between associated objects.

[0133] It can be understood that various numbers in the embodiments of the present application are only used for distinction to facilitate description, and are not used to limit the scope of the embodiments of the present application. The sequence numbers of the above processes do not mean the execution sequence, and the execution sequence of these processes should be determined based on the functions and internal logic of these processes.

Claims

1. transmitting first data to a first device based on a first power-aggregating capability of the first device; receiving feedback information from the first device; transmitting second data to the first device based on a second power-aggregating capability of the first device, the second power-aggregating capability being determined based on the feedback information and the first power-aggregating capability; A communication method including:

2. The method of claim 1 , further comprising receiving the first power-aggregating capability from the first device, the first power-aggregating capability being an initial power-aggregating capability of the first device.

3. The method of claim 1 , wherein the first power-aggregating capability is a default initial power-aggregating capability of the first device.

4. The feedback information is status information of the first device, the status information indicating an operating status of the first device; indicator information of the first device, the indicator information including at least one of a missing clipping rate for crest factor reduction, a digital predistortion convergence status, or an error vector magnitude value; or Indication information, the indication information indicating to increase or decrease the power-aggregation capability of the first device. The method according to claim 1 , further comprising at least one of:

5. If the feedback information includes the status information and the status information indicates that the operating status of the first device is normal, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to or greater than a maximum transmission power on a unit resource corresponding to the first power-aggregation capability; or 5. The method of claim 4, wherein when the feedback information includes the status information and the status information indicates that the operating status of the first device is a warning, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is less than or equal to a maximum transmission power on a unit resource corresponding to the first power-aggregation capability.

6. If the feedback information includes the indicator information and the indicator information satisfies a first condition, a maximum transmission power on a unit resource corresponding to the second power aggregation capability is equal to or greater than a maximum transmission power on a unit resource corresponding to the first power aggregation capability; or the feedback information includes the indicator information, and if the indicator information does not satisfy a first condition, a maximum transmission power on a unit resource corresponding to the second power aggregation capability is equal to or less than a maximum transmission power on a unit resource corresponding to the first power aggregation capability; 5. The method of claim 4, wherein the first condition includes at least one of: the missing clipping rate for crest factor reduction is less than a missing clipping rate threshold; the digital predistortion convergence status is converged; or the error vector magnitude value is less than an error vector magnitude threshold.

7. if the feedback information includes the indication information, and the indication information indicates to increase the power-aggregation capability of the first device, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is greater than or equal to a maximum transmission power on a unit resource corresponding to the first power-aggregation capability; or 5. The method of claim 4, wherein if the feedback information includes the indication information, and the indication information indicates to reduce the power-aggregation capability of the first device, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is less than or equal to a maximum transmission power on a unit resource corresponding to the first power-aggregation capability.

8. 8. The method according to claim 1, further comprising: if both the first data and the second data are data of a first service, establishing a correspondence between the second power aggregation capability and the characteristic information based on characteristic information of the first service.

9. The characteristic information of the first service is The method of claim 8 , comprising one or more of: an allocation characteristic of data of the first service in a frequency domain; or a power allocation corresponding to data of the first service.

10. The method of claim 1 , wherein the feedback information is received periodically or based on event-based triggering.

11. receiving first data from a second device, the first data corresponding to a first power aggregation capability of the first device; sending feedback information to the second device, the feedback information reflecting an operating status of the first device when a power-aggregating capability of the first device is the first power-aggregating capability; A communication method including:

12. The method of claim 11 , further comprising transmitting the first power-aggregating capability to the second device, the first power-aggregating capability being an initial power-aggregating capability of the first device.

13. The method of claim 11 , wherein the first power-aggregating capability is a default initial power-aggregating capability of the first device.

14. 14. The method of claim 11, further comprising: receiving second data from the second device, the second data corresponding to a second power-aggregating capability of the first device, the second power-aggregating capability being determined based on the feedback information and the first power-aggregating capability.

15. The feedback information is status information of the first device, the status information indicating the operating status of the first device; indicator information of the first device, the indicator information including at least one of a missing clipping rate for crest factor reduction, a digital predistortion convergence status, or an error vector magnitude value; or Indication information, the indication information indicating to increase or decrease the power-aggregation capability of the first device. The method of claim 14 , comprising at least one of:

16. If the feedback information includes the status information and the status information indicates that the operating status of the first device is normal, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is equal to or greater than a maximum transmission power on a unit resource corresponding to the first power-aggregation capability; or 16. The method of claim 15, wherein when the feedback information includes the status information and the status information indicates that the operating status of the first device is a warning, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is less than or equal to a maximum transmission power on a unit resource corresponding to the first power-aggregation capability.

17. If the feedback information includes the indicator information and the indicator information satisfies a first condition, a maximum transmission power on a unit resource corresponding to the second power aggregation capability is equal to or greater than a maximum transmission power on a unit resource corresponding to the first power aggregation capability; or the feedback information includes the indicator information, and if the indicator information does not satisfy a first condition, a maximum transmission power on a unit resource corresponding to the second power aggregation capability is equal to or less than a maximum transmission power on a unit resource corresponding to the first power aggregation capability; 16. The method of claim 15, wherein the first condition includes at least one of: the missing clipping rate for crest factor reduction is less than a missing clipping rate threshold; the digital predistortion convergence status is converged; or the error vector magnitude value is less than an error vector magnitude threshold.

18. if the feedback information includes the indication information, and the indication information indicates to increase the power-aggregation capability of the first device, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is greater than or equal to a maximum transmission power on a unit resource corresponding to the first power-aggregation capability; or 16. The method of claim 15, wherein if the feedback information includes the indication information, and the indication information indicates to reduce the power-aggregation capability of the first device, a maximum transmission power on a unit resource corresponding to the second power-aggregation capability is less than or equal to a maximum transmission power on a unit resource corresponding to the first power-aggregation capability.

19. The step of transmitting the feedback information to the second device comprises:

19. A method according to any one of claims 11 to 18, comprising transmitting said feedback information to said second device when the start time of each period arrives.

20. The step of transmitting the feedback information to the second device comprises:

19. The method of any one of claims 11 to 18, comprising sending the feedback information to the second device when the operational status of the first device changes.

21. A communication device configured to perform a method according to any one of claims 1 to 10 or including a module configured to perform a method according to any one of claims 11 to 20.

22. 21. A communication device comprising a processor coupled to a memory, the processor configured to invoke a program stored in the memory to perform a method according to any one of claims 1 to 10 or to perform a method according to any one of claims 11 to 20.

23. 21. A communications device comprising a processor and a memory, the memory configured to store computer instructions, and wherein when the communications device is running, the processor executes the computer instructions stored in the memory to perform a method according to any one of claims 1 to 10 or to perform a method according to any one of claims 11 to 20.

24. A communications device comprising a processor and an interface circuit, the processor configured to communicate with another device through the interface circuit to perform a method according to any one of claims 1 to 10 or to perform a method according to any one of claims 11 to 20.

25. 21. A computer program product, the computer program product comprising a computer program or instructions, the computer program or instructions being enabled to perform the method of any one of claims 1 to 10 or to perform the method of any one of claims 11 to 20 when the computer program or instructions are executed on a processor.

26. 21. A computer-readable storage medium having stored thereon a computer program or instructions which, when executed by a communication device, cause the method of any one of claims 1 to 10 to be performed or cause the method of any one of claims 11 to 20 to be performed.

27. A communication system comprising a second device configured to perform the method of any one of claims 1 to 10 and a first device configured to perform the method of any one of claims 11 to 20.

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